> For the complete documentation index, see [llms.txt](https://numerous-networks.gitbook.io/noversight-docs/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://numerous-networks.gitbook.io/noversight-docs/noversight-tutorial/noversight-macos-analysis/noversight-wi-fi-analysis/the-timeline-slider.md).

# The Timeline Slider

<figure><img src="/files/nXmm6GZbaguGbO9IJQNa" alt=""><figcaption></figcaption></figure>

The Timeline Slider provides an overview of the log data in time.&#x20;

* The grey marker represents the current analysis time. In a live log this will be all the way to the right to track the latest log position. You can move this slider to the left to see the information at a particular point in time. Slide back to the far right to track the logs live again
* The vertical marker represent a session boundary. This is where the device changed AP or betwen mobile / Wi-Fi

{% hint style="info" %}
Use the Timeline Slider to replay a log while watching the detailed data changing in the Live View (Top screen). It is often revealing to see the detail changing before a roam - look out for signal strength, data transfer and CCA levels leading up to roams.
{% endhint %}

{% hint style="info" %}
To get a good understanding of roaming decisions, use the Timeline Slider to replay a log while watching the roaming details in the Session Explorer. Can you see how roaming attempts start coming in as signal strength falls below a certain level.
{% endhint %}


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